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ADS5545 Datasheet(PDF) 20 Page - Texas Instruments

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Part No. ADS5545
Description  11-BIT, 200 MSPS ADC
Download  54 Pages
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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ADS5545 Datasheet(HTML) 20 Page - Texas Instruments

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ADS5517
SLWS203 – DECEMBER 2007
Table 15. Serial Register G
A7 – A0 (hex)
D7
D6
D5
D4
D3
D2
D1
D0
<ODI> OUTPUT DATA
<RST>
6C
INTERFACE - DDR LVDS OR
SOFTWARE
PARALLEL CMOS
RESET
D1
<RST> Software resets the ADC
1
Resets all registers to default values
D4 — D3
<ODI> Output data interface
00
DDR LVDS outputs, default after reset
01
DDR LVDS outputs
11
Parallel CMOS outputs
Table 16. Serial Register H
A7 – A0
D7
D6
D5
D4
D3
D2
D1
D0
<REF> INTERNAL or
6D
<SCALING> POWER SCALING
EXTERNAL REFERENCE
D4
<REF> Reference
0
Internal reference
1
External reference mode, force voltage on Vcm to set reference.
D7 — D5
<SCALING> Program power scaling at lower sampling
frequencies
001
Use for Fs > 150 MSPS, default after reset
011
Power Mode 1, use for 105 < Fs
≤ 150 MSPS
101
Power Mode 2, use for 50 < Fs
≤ 105
111
Power Mode 3, use for Fs
≤ 50 MSPS
Table 17. Serial Register I
A7 – A0
D7
D6
D5
D4
D3
D2
D1
D0
<LVDS CURR> LVDS
<DATA TERM> INTERNAL TERMINATION –
<CLKOUT TERM> INTERNAL
7E
CURRENT
DATA OUTPUTS
TERMINATION – OUTPUT CLOCK
PROGRAMMABILITY
D1 — D0
<LVDS CURR> LVDS buffer current programming
00
3.5 mA, default
01
2.5 mA
10
4.5 mA
11
1.75 mA
20
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Copyright © 2007, Texas Instruments Incorporated
Product Folder Link(s): ADS5517


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